hello, i just realized that internal bitmaps do not seem to work
anymore.
kernel 2.6.17
mdadm 2.5.2
[root@localhost ~]# mdadm --create --level=1 -n 2 -e 1 --bitmap=internal /dev/md100 /dev/sda1 /dev/sda2
mdadm: array /dev/md100 started.
... wait awhile ...
[root@localhost ~]# cat /proc/mdstat
Personalities : [raid1]
md100 : active raid1 sda2[1] sda1[0]
1000424 blocks super 1.0 [2/2] [UU]
bitmap: 4/4 pages [16KB], 128KB chunk
unused devices: <none>
[root@localhost ~]# mdadm -X /dev/md100
Filename : /dev/md100
Magic : 00000000
mdadm: invalid bitmap magic 0x0, the bitmap file appears to be corrupted
Version : 0
mdadm: unknown bitmap version 0, either the bitmap file is corrupted or you need to upgrade your tools
[root@localhost ~]# cat /proc/mdstat
Personalities : [raid1]
md100 : active raid1 sda2[1] sda1[0]
1000424 blocks super 1.0 [2/2] [UU]
bitmap: 0/4 pages [0KB], 128KB chunk
unused devices: <none>
[root@localhost ~]# mdadm -D /dev/md100
/dev/md100:
Version : 01.00.03
Creation Time : Thu Jul 6 16:05:10 2006
Raid Level : raid1
Array Size : 1000424 (977.14 MiB 1024.43 MB)
Device Size : 1000424 (977.14 MiB 1024.43 MB)
Raid Devices : 2
Total Devices : 2
Preferred Minor : 100
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Thu Jul 6 16:07:11 2006
State : active
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Name : 100
UUID : 60cd0dcb:fde52377:699453f7:da96b9d4
Events : 1
Number Major Minor RaidDevice State
0 8 1 0 active sync /dev/sda1
1 8 2 1 active sync /dev/sda2
--
Luca Berra -- bluca@xxxxxxxxxx
Communication Media & Services S.r.l.
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